#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int Add(int x ,int y)
{
	int z = 0;
	z = x + y; 
	return z;
}
int main() 
{
	int a = 10;
	int b = 20;
	int c = 0;
	c = Add(a, b);
	printf("%d\n", c);
	return 0;
}